Stifrer heat A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. sample In an experiment, a 0.3434 g sample of phenanthrene (C14H10) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.312×103 of water. During the combustion the temperature increases from 24.02 to 26.24 °C. The heat capacity of water is 4.184 J gl°C-!. g Water The heat capacity of the calorimeter was determined in a previous experiment to be 852.7 J/°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of phenanthrene based on these data. C14H10(s) + (33/2) O2(g - →5 H2O(1) + 14 CO2(g) + Energy Insulated outside chamber Sample dish Burning sample Steel bomb Molar Heat of Combustion = kJ/mol Combustion (bomb) calorimeter.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter6: Thermochemistry
Section: Chapter Questions
Problem 112AE: In a bomb calorimeter, the reaction vessel is surrounded by water that must be added for each...
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Ignition
wires
heat
Thermometer
Stirrer
A bomb calorimeter, or a constant volume calorimeter, is a device often used to
determine the heat of combustion of fuels and the energy content of foods.
sample
In an experiment, a 0.3434 g sample of phenanthrene (C14H10) is burned
completely in a bomb calorimeter. The calorimeter is surrounded by 1.312×103 g
of water. During the combustion the temperature increases from 24.02 to 26.24
°C. The heat capacity of water is 4.184 J gl°C-!.
Water
The heat capacity of the calorimeter was determined in a previous experiment to
be 852.7 J/°C.
Assuming that no energy is lost to the surroundings, calculate the molar heat of
combustion of phenanthrene based on these data.
C14H10(s) + (33/2) O2(g) ––→ 5 H20(1) + 14 CO2(g) + Energy
Insulated
outside
chamber
Sample
dish
Burning
sample
Steel
bomb
Molar Heat of Combustion =
kJ/mol
Combustion (bomb) calorimeter.
Transcribed Image Text:Ignition wires heat Thermometer Stirrer A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. sample In an experiment, a 0.3434 g sample of phenanthrene (C14H10) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.312×103 g of water. During the combustion the temperature increases from 24.02 to 26.24 °C. The heat capacity of water is 4.184 J gl°C-!. Water The heat capacity of the calorimeter was determined in a previous experiment to be 852.7 J/°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of phenanthrene based on these data. C14H10(s) + (33/2) O2(g) ––→ 5 H20(1) + 14 CO2(g) + Energy Insulated outside chamber Sample dish Burning sample Steel bomb Molar Heat of Combustion = kJ/mol Combustion (bomb) calorimeter.
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